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| | | Forums66 Topics128,121 Posts1,056,328 Members48,439 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Part of the path the oil takes to get to the rockers is up around the outside of the center head bolt on the passenger side. Chev needed to create a path from that head bolt galley over to the spot where the rocker connecter tube connects to the head. The only way to do this is to drill in from the outside of the head, through the head bolt galley continuing over to the vertical port that the rocker connecter tube fits in. After this drilling process the outer hole needed to be plugged.
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